It happened in the spring inside the thing.

那是发生在春天里的一件事。

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One of his jobs was to test the horsepower on battleships, using a meter with a torsion spring inside.

他从事的其中一项工作便是使用一种内有扭力弹簧的仪表来检测战舰的马力。

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We experience it as a combination of elements, in the same way that one wheel or spring inside a watch doesn't keep time — it is a result of the synchronicity of the whole.

快乐的体验由很多因素组成，就好像准确守时的手表靠的不单是一个齿轮和一跟发条，而是整个齿轮和发条系统的同步运行。

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The research team found that not only did the lymphatic vessels spring up inside the tumour, but they also appeared to even hook up with those outside the tumour - creating a ready-made highway to carry cancer cells to other parts of the body.

BBC: tumour in breast

Embedded inside it is a batteryless RF switch, and the way it works is that upon the release of the spring mechanism inside, a tiny bit of power is generated for the 2.4GHz RF transmission ( ZigBee compatible), and whatever device is connected to the RF control outlet on the other end will receive the on or off signal.

ENGADGET: Mitsumi exhibits micro-vibration power generator and batteryless RF switch (video)

"As a CEO of a high-tech company, you have mixed feelings about innovation, " said EADS Chief Executive Tom Enders last spring, as the company grappled with cracks inside the wings of its newest plane in the skies, the A380 superjumbo.

WSJ: Boeing Shows How Innovation Can Be Messy